public override async Task <ValidationResult> ValidateAsync(ValidationContext <IUpdateEpisodeModel> context, CancellationToken cancellation = default)
{
Episode?episode = await _episodeRepository.GetByOrDefaultAsync(x => x.Id == context.InstanceToValidate.Id);
if (episode == null)
{
throw new EntityNotFoundException <Episode>(context.InstanceToValidate.Id);
}
episode = await _episodeRepository.GetByOrDefaultAsync(x => x.Name == context.InstanceToValidate.Name && x.Id != context.InstanceToValidate.Id);
if (episode != null)
{
throw new CannotUpdateEpisodeEpisodeWithSameNameAlreadyExistException(context.InstanceToValidate.Id, context.InstanceToValidate.Name);
}
return(await base.ValidateAsync(context, cancellation));
}
private async Task ValidateEpisodeAlreadyExists(ValidationContext <ICreateEpisodeModel> context)
{
Episode episode = await _episodeRepository.GetByOrDefaultAsync(x => x.Name == context.InstanceToValidate.Name);
if (episode != null)
{
throw new EntityAlreadyExistException(context.InstanceToValidate.Name);
}
}
private async Task ValidateEpisodesExistence(ValidationContext <ICreateCharacterModel> context)
{
List <string> episodeNames = context.InstanceToValidate.Episodes;
foreach (string episodeNameToAssign in episodeNames)
{
Episode?episode = await _episodeRepository.GetByOrDefaultAsync(x => x.Name == episodeNameToAssign);
if (episode == null)
{
throw new CannotCreateCharacterWithNotExistedEpisodeException(episodeNameToAssign);
}
}
}
